نوع مقاله : مقاله پژوهشی
1 استادیار،گروه زبانشناسی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات فارس
2 دانشجوی کارشناسی ارشد زبان شناسی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات فارس
عنوان مقاله [English]
The investigation of syntactical characteristics of hearing impaired children and autistic children is one of the main fields that speech and language pathologists focuses on it .This study compared the speech of impaired hearing children and autistic children with the normal children in Postposing according to their gender. This descriptive cross-sectional study was performed on 20 hearing impaired children, 20 autistic children and 20 normal children at the same age. The linguistic data for descriptive samples was collected by describing a picture, and data for free speech was from complementary questions. Quantitative and qualitative analysis was done on tape recorded. Speech Samples included identifying different types of nouns, counting the, identifying the number of occurred postposing nouns and mean them and t-test was performed. Data analysis demonstrated significant difference in Mean of postposing occurrence between three groups in both free and descriptive speech, Not only there was significant difference between total mean of postposing in free speech and descriptive speech but also with regard to gender there was significant difference in each group. Hearing impaired children had the most postposing occurrence in their speech in comparison with two other groups, and normal children had more postposing occurrences than autistic children.